linux-kernel - Re: [PATCH] sched: cpu accounting controller

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Message-ID: <20071129192058.GC5238@elte.hu>
Date:	Thu, 29 Nov 2007 20:20:58 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Cc:	Paul Menage <menage@...gle.com>,
	containers@...ts.linux-foundation.org,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	dhaval@...ux.vnet.ibm.com, skumar@...ux.vnet.ibm.com
Subject: Re: [PATCH] sched: cpu accounting controller


* Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com> wrote:

> Paul,
> 	Sorry about the delay in getting back to this thread. I realized
> very recently that cpuacct controller has been removed from Linus's tree
> and have attempted to rework it as per our discussions.
> 
> Linus/Ingo,
> 	Commit cfb5285660aad4931b2ebbfa902ea48a37dfffa1 removed a 
> usefull feature for us, which provided a cpu accounting resource 
> controller. This feature would be usefull if someone wants to group 
> tasks only for accounting purpose and doesnt really want to exercise 
> any control over their cpu consumption.

ok, this looks certainly doable for v2.6.24. I've added it to the 
scheduler fixes queue and will let it brew there for a few days and send 
it to Linus after that if everything goes fine - unless anyone objects. 
This is pre-existing, tested code so the risk is small.

	Ingo
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